Polystyrene has dielectric constant 2.6 and dielectricstrength 2.0 * 10^7 V/m. A piece of polystyrene is used as a dielectricin a parallel-plate capacitor, filling the volume between the plates.(a) When the electric field between the plates is 80% of the dielectricstrength, what is the energy density of the stored energy? (b) Whenthe capacitor is connected to a battery with voltage 500.0 V, the electricfield between the plates is 80% of the dielectric strength. What isthe area of each plate if the capacitor stores 0.200 mJ of energy underthese conditions?
Polystyrene has dielectric constant 2.6 and dielectricstrength 2.0 * 10^7 V/m. A piece of polystyrene is used as a dielectricin a parallel-plate capacitor, filling the volume between the plates.(a) When the electric field between the plates is 80% of the dielectricstrength, what is the energy density of the stored energy? (b) Whenthe capacitor is connected to a battery with voltage 500.0 V, the electricfield between the plates is 80% of the dielectric strength. What isthe area of each plate if the capacitor stores 0.200 mJ of energy underthese conditions?
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Question
Polystyrene has dielectric constant 2.6 and dielectric
strength 2.0 * 10^7 V/m. A piece of polystyrene is used as a dielectric
in a parallel-
plate capacitor, filling the volume between the plates.
(a) When the electric field between the plates is 80% of the dielectric
strength, what is the energy density of the stored energy? (b) When
the capacitor is connected to a battery with voltage 500.0 V, the electric
field between the plates is 80% of the dielectric strength. What is
the area of each plate if the capacitor stores 0.200 mJ of energy under
these conditions?
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